DataKeeper for Windows All Documentation - SIOS

Chapter 7: TroubleshootingThe topics in this section contain important information about known issues and restrictions offering possibleworkarounds and/or solutions.Known Issues and WorkaroundsIncluded below are known issues open against DataKeeper as well as possible workarounds and/or solutions.Access to Designated Volume DeniedIf access to the designated volume is denied, then check whether you are attempting to create the mirror whileother applications are accessing the volume. During Mirror Creation, the volumes must be locked on the targetsystem for exclusive access by the SteelEye DataKeeper software.In particular, the Distributed Tracking Client service, which is set to run by default in Windows, keeps two filehandles open for each volume. If the volume houses a SteelEye DataKeeper target, the SteelEye DataKeeperdriver cannot lock the volume. You must therefore stop the Distributed Tracking Client service and set itsstartup policy to Manual.Compatibility Issue with Symantec Endpoint Protection Version 12If using DataKeeper 7.4.2 or earlier with Symantec Endpoint Protection Version 12 (previous to 12.1.2),DataKeeper switchovers will not perform correctly due to Symantec's drivers. DataKeeper cannot lock thetarget volume with SEP Version 12 (previous to 12.1.2) installed on the server. The following error will bereceived:IOCTL_DISK_IS_WRITABLE - STATUS_MEDIA_WRITE_PROTECTEDEmVolumeGetExclusiveLock - Error locking volume 0xc0000022Solution: Currently, there are four workarounds for this issue.1. Upgrade to DataKeeper for Windows 7.4.3.2. Upgrade to Symantec Endpoint Protection Version 12.1.2 or roll back to Symantec Endpoint ProtectionVersion 11.x .3. Uninstall Symantec Endpoint Protection Version 12.4. Disable the drivers as described below.a. Disable two LifeKeeper drivers.DataKeeper for Windows Technical DocumentationPage 162